Free games like Day of Defeat: Source
Below are 9 free-to-play Steam games similar to Day of Defeat: Source, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Day of Defeat: Source page.
Ranked picks
- 1
Ultimate Custom Night
Free-to-play alternative to Day of Defeat: Source — no purchase or trial window. Shares Action with Day of Defeat: Source.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 2
Indigo Park: Chapter 1
Free-to-play alternative to Day of Defeat: Source — no purchase or trial window. Shares Action with Day of Defeat: Source.
Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.
- 3
STRAFTAT
Free-to-play alternative to Day of Defeat: Source — no purchase or trial window. Shares Action with Day of Defeat: Source.
STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.
- 4
Counter-Strike:Global Offensive
Free-to-play alternative to Day of Defeat: Source — no purchase or trial window. Shares Action with Day of Defeat: Source.
Counter-Strike:Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched over 2 decades ago. CS:GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).
- 5
The Expendabros
Free-to-play alternative to Day of Defeat: Source — no purchase or trial window. Shares Action with Day of Defeat: Source.
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.
- 6
The Lab
Free-to-play alternative to Day of Defeat: Source — no purchase or trial window.
Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!
- 7
93, Kuindzhi
Free-to-play alternative to Day of Defeat: Source — no purchase or trial window.
Kuindzhi, 93 is an atmospheric first-person narrative vignette about an 18-year-old boy from Donbas. The story takes us to March 2022, when the world changed forever — into a space where the past, fears, and doubts find their voice.
- 8
Landfall Archives
Free-to-play alternative to Day of Defeat: Source — no purchase or trial window. Shares Action with Day of Defeat: Source.
Break into the Landfall Archives to steal and play previously unreleased games, demos, interactive slide shows, and even an unreleased version of Totally Accurate Battle Simulator from 2017!
- 9
Counter-Strike 2
Free-to-play alternative to Day of Defeat: Source — no purchase or trial window. Shares Action with Day of Defeat: Source.
For over two decades, Counter-Strike has offered an elite competitive experience, one shaped by millions of players from across the globe. And now the next chapter in the CS story is about to begin. This is Counter-Strike 2.